Al added steel plate having excellent ultra low temperature toughness in welding heat affected zone

본 발명은 알루미늄이 첨가된 용접 열영향부 극저온 인성이 우수한 후강판 으로서, 중량％로, 탄소(C): 0.01∼0.08％, 망간(Mn): 1.0∼2.5％, 인(P): 0.01％ 이하(0％를 포함하지 않음), 황(S): 0.01％ 이하(0％를 포함하지 않음), 니켈(Ni): 4.5∼5.5％, 크롬(Cr): 0.1~1.0%, 몰리브덴(Mo): 0.1~0.8%, 알루미늄(Al): 0.075~0.125%, 질소(N): 0.01％ 이하(0％를 포함하지 않음)를 함유하고, 잔부가 철(Fe) 및 기타 불가피한 불순물인 후강판이며, 상기 후강판...

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Hauptverfasser:	KIM JONG CHUL, WON JU YEON, LEE CHANG MIN, CHON SEUNG HWAN, JEE CHUN HO, BAE CHEOL HYUN, PARK MIN HO, YOON GUN YOUNG, CHOI JUN TAE
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	ALLOYS CHEMISTRY FERROUS OR NON-FERROUS ALLOYS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS TREATMENT OF ALLOYS OR NON-FERROUS METALS
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creator	KIM JONG CHUL WON JU YEON LEE CHANG MIN CHON SEUNG HWAN JEE CHUN HO BAE CHEOL HYUN PARK MIN HO YOON GUN YOUNG CHOI JUN TAE
description	본 발명은 알루미늄이 첨가된 용접 열영향부 극저온 인성이 우수한 후강판 으로서, 중량％로, 탄소(C): 0.01∼0.08％, 망간(Mn): 1.0∼2.5％, 인(P): 0.01％ 이하(0％를 포함하지 않음), 황(S): 0.01％ 이하(0％를 포함하지 않음), 니켈(Ni): 4.5∼5.5％, 크롬(Cr): 0.1~1.0%, 몰리브덴(Mo): 0.1~0.8%, 알루미늄(Al): 0.075~0.125%, 질소(N): 0.01％ 이하(0％를 포함하지 않음)를 함유하고, 잔부가 철(Fe) 및 기타 불가피한 불순물인 후강판이며, 상기 후강판은 하기 식 1로 나타내어지는 탄소당량(Ceq)이 0.7 이상이며, 하기 식 2로 나타내어지는 B 값이 0.45 이상 0.65 이하이며, 하기 식 3으로 나타내어지는 C 값이 0.035 이하이며, 하기 식 4로 나타내어지는 D 값이 9 이상 18 이하인 것을 특징으로 한다. [식 1] 탄소당량(Ceq) = [C] + [Mn]/6 + [Ni]/15 + ([Cr]+[Mo])/5 [식 2] B = [Cr] + [Mo] [식 3] C= ([Al]/[Ni]) + [N] [식 4] D = [Al] / [N]
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[식 1] 탄소당량(Ceq) = [C] + [Mn]/6 + [Ni]/15 + ([Cr]+[Mo])/5 [식 2] B = [Cr] + [Mo] [식 3] C= ([Al]/[Ni]) + [N] [식 4] D = [Al] / [N]</description><language>eng ; kor</language><subject>ALLOYS ; CHEMISTRY ; FERROUS OR NON-FERROUS ALLOYS ; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS ; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS ; METALLURGY ; METALLURGY OF IRON ; MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS ; TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><creationdate>2024</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20240111&DB=EPODOC&CC=KR&NR=20240004010A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25562,76317</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20240111&DB=EPODOC&CC=KR&NR=20240004010A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KIM JONG CHUL</creatorcontrib><creatorcontrib>WON JU YEON</creatorcontrib><creatorcontrib>LEE CHANG MIN</creatorcontrib><creatorcontrib>CHON SEUNG HWAN</creatorcontrib><creatorcontrib>JEE CHUN HO</creatorcontrib><creatorcontrib>BAE CHEOL HYUN</creatorcontrib><creatorcontrib>PARK MIN HO</creatorcontrib><creatorcontrib>YOON GUN YOUNG</creatorcontrib><creatorcontrib>CHOI JUN TAE</creatorcontrib><title>Al added steel plate having excellent ultra low temperature toughness in welding heat affected zone</title><description>본 발명은 알루미늄이 첨가된 용접 열영향부 극저온 인성이 우수한 후강판 으로서, 중량％로, 탄소(C): 0.01∼0.08％, 망간(Mn): 1.0∼2.5％, 인(P): 0.01％ 이하(0％를 포함하지 않음), 황(S): 0.01％ 이하(0％를 포함하지 않음), 니켈(Ni): 4.5∼5.5％, 크롬(Cr): 0.1~1.0%, 몰리브덴(Mo): 0.1~0.8%, 알루미늄(Al): 0.075~0.125%, 질소(N): 0.01％ 이하(0％를 포함하지 않음)를 함유하고, 잔부가 철(Fe) 및 기타 불가피한 불순물인 후강판이며, 상기 후강판은 하기 식 1로 나타내어지는 탄소당량(Ceq)이 0.7 이상이며, 하기 식 2로 나타내어지는 B 값이 0.45 이상 0.65 이하이며, 하기 식 3으로 나타내어지는 C 값이 0.035 이하이며, 하기 식 4로 나타내어지는 D 값이 9 이상 18 이하인 것을 특징으로 한다. 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[식 1] 탄소당량(Ceq) = [C] + [Mn]/6 + [Ni]/15 + ([Cr]+[Mo])/5 [식 2] B = [Cr] + [Mo] [식 3] C= ([Al]/[Ni]) + [N] [식 4] D = [Al] / [N]</abstract><oa>free_for_read</oa></addata></record>
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subjects	ALLOYS CHEMISTRY FERROUS OR NON-FERROUS ALLOYS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS TREATMENT OF ALLOYS OR NON-FERROUS METALS
title	Al added steel plate having excellent ultra low temperature toughness in welding heat affected zone
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